FIG. 1 is a front, left side, top perspective view of a valve showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a back elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan thereof;
FIG. 8 is a front, left side, top perspective partial view of the valve in use when installed within a bottle;
FIG. 9 is a front elevation partial view thereof;
FIG. 10 is a back elevation partial view thereof;
FIG. 11 is a right side elevation partial view thereof; and,
FIG. 12 is a left side elevation partial view thereof.
The broken lines shown in FIGS. 8-12 are for the purpose of illustrating environment and form no part of the claimed design.